#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @File   : a_if.py
# @Email  : xuexia_xu@feidee.com
# @Time   : 2024/3/19 18:08
# @Desc   : 条件
import regex

height = 1.75
weight = 80.5

bmi = weight / height / height
print("bmi:", bmi)
if bmi < 18.5:
    print("过轻")
elif bmi < 25:
    print("正常")
elif bmi < 28:
    print("过重")
elif bmi < 32:
    print("肥胖")
else:
    print("严重肥胖")


age = 15
# python 3.10才支持
# match age:
#     case x if x < 10:
#         print(f'< 10 years old: {x}')
#     case 10:
#         print('10 years old.')
#     case 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18:
#         print('11~18 years old.')
#     case 19:
#         print('19 years old.')
#     case _:
#         print('not sure.')
